CN209886453U

CN209886453U - Multipurpose bending device

Info

Publication number: CN209886453U
Application number: CN201920675102.1U
Authority: CN
Inventors: 王涛; 郑瑞萍; 张忠原
Original assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Current assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-03
Anticipated expiration: 2029-05-13

Abstract

A multi-purpose bending device comprises a workbench, a fixed support, a fixed bending arm, a movable bending arm, a connecting pin, a bending shaft, a positioning fixture and a tooling clamping fixture, wherein the end part of the fixed bending arm is installed on the workbench through the fixed support; the tool clamping fixture is arranged on a connecting pin between the fixed bending arm and the movable bending arm, and the bending shaft is arranged in a connecting hole on the movable bending arm and can rotate; the positioning fixture connecting block is arranged on the arm below the fixed bending arm. The device has simple structure, easy manufacture and processing and low cost, can be adjusted within 180 degrees according to the required bending angle to finish the rapid bending of the round pipe and the round steel, and can replace tools with different sizes to process the bending with different radiuses; the tool is convenient and simple to replace, the production efficiency can be improved, the production cost is reduced, and the labor intensity of workers is reduced.

Description

Multipurpose bending device

Technical Field

The utility model relates to a multi-purpose device of buckling for the preparation of circular arc class is bent into to machining field pipe and round steel.

Background

The bending device is common machining equipment for bending raw materials such as steel plates or round steel pipes, but the bending device in the prior art is complex in structure and high in manufacturing cost, so that a manufacturer does not need to manufacture the bending device in a large batch for a long time, the expenditure of purchasing bending processing equipment is avoided, various arc radiuses are required to be processed for bending, and multiple sets of bending equipment are required to be designed. In the traditional arc-shaped tool, one device is required to be designed for manufacturing one set of device for arc-shaped processing with one radius, and when a plurality of sets of bending devices with different radii are processed, a plurality of bending devices are designed, so that a lot of processing cost and processing time are consumed for the devices, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: a multipurpose bending device is designed, and different tools can be replaced on the device to perform bending processing with different arc radiuses.

Realize the utility model discloses the technical mode that the purpose was taken is: the bending device comprises a workbench, a fixed support, a fixed bending arm, a movable bending arm, a connecting pin, a bending wheel, a positioning clamp and a tooling clamping fixture, wherein the fixed bending arm and the movable bending arm are respectively composed of an upper arm and a lower arm which are parallel to each other; the tooling clamping fixture is arranged on a connecting pin between the fixed bending arm and the movable bending arm and can rotate around the connecting pin; the bending wheel is arranged on the movable bending arm through a connecting pin and can rotate around the connecting pin; the positioning fixture comprises a connecting block, a fixture block and an eccentric wheel, and is arranged on an arm below the fixed bending arm through the connecting block.

The fixed bending arm and the movable bending arm are respectively provided with a support frame I and a support frame II, and the support frame I and the support frame II are respectively arranged between the upper arm and the lower arm of the fixed bending arm and the upper arm and the lower arm of the movable bending arm.

The utility model has the advantages that: the structure design is simple, the manufacturing and processing are easy, the product cost is low, the bending can be adjusted and positioned at each angle within 180 degrees according to the required bending angle, the rapid bending of the round pipe and the round steel is completed, and the tools with different sizes can be replaced on the bending machine to process the bending with different radiuses; the tool is very convenient to replace, the operation is simple, the production efficiency can be improved, the production cost is reduced, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a front view of the present invention; FIG. 2 is a schematic view of the bending process of bending the round pipe and the round steel from the initial to 90 degrees; FIG. 3 is a front view of the positioning fixture; fig. 4 is a top view of fig. 3.

Detailed Description

As shown in the attached figures 1 and 2, the bending machine comprises a workbench 1, a fixed support 2, a fixed bending arm 3, a movable bending arm 5, a connecting pin 9, a bending wheel 12, a positioning fixture 10 and a tooling clamping fixture 11, wherein the fixed bending arm 3 and the movable bending arm 5 are made of 16mm thick steel plates by bending, the shapes of the fixed bending arm 3 and the movable bending arm 5 are similar to a pincer shape, the upper arm and the lower arm are parallel to each other, the upper arm and the lower arm of the fixed bending arm 3 and the upper arm and the lower arm of the movable bending arm 5 are correspondingly provided with connecting holes, one end part of the fixed bending arm 3 is arranged on the workbench 1 through the fixed support 2 and a bolt 7, the upper arm and the lower arm of the fixed bending arm 3 and the upper arm and the lower arm of the movable bending arm 5 are mutually inserted and connected through the connecting pin 9, the movable bending; the round tooling clamping fixture 11 is arranged on a connecting pin 9 for connecting the fixed bending arm 3 and the movable bending arm 5 and can rotate around the connecting pin 9; the bending wheel 12 is arranged in corresponding connecting holes of the upper arm and the lower arm of the movable bending arm 5 through a connecting pin 9 and can rotate around the connecting pin 9, and the tooling clamping fixture 11 and the bending wheel 12 are provided with a circle of arc-shaped grooves on the circumferential outer wall; the fixed bending arm 3 and the movable bending arm 5 are respectively provided with a support frame I4 and a support frame II6, and the support frame I4 and the support frame II6 are respectively arranged between the upper arm and the lower arm of the fixed bending arm 3 and the movable bending arm 5 to play a role in fixing and supporting the fixed bending arm 3 and the movable bending arm 5. The positioning fixture 10 comprises a connecting block 17, a clamping block 15 and an eccentric wheel 14 (shown in figures 3 and 4), wherein the connecting block 17 is installed on an arm below the fixed bending arm 3 through a connecting hole 18, the clamping block 15 is L-shaped, one end of the clamping block is connected with a threaded rod 16, the threaded rod 16 is connected in a threaded hole at one end of the connecting block 17, a wrench 21 is arranged on the eccentric wheel 14, and the eccentric wheel 14 is fixed on the clamping block 15 through a bolt 19. The device can be used for processing and manufacturing the maximum DN32 welded pipe and the galvanized pipe or round steel with the maximum diameter of 16mm, and the maximum manufacturing radius of the device matched with a tooling clamping fixture is 250 mm.

The using method comprises the following steps: firstly, selecting a proper tooling clamping fixture 11 according to the processing requirement, installing the tooling clamping fixture 11 between the fixed bending arm 3 and the movable bending arm 5 through a connecting pin 9, and adjusting the position of a bending wheel 12 through a preformed hole on the movable bending arm 5 according to the radius to be bent so as to enable the tooling clamping fixture 11 to correspond to the bending wheel 12; adjusting a positioning fixture 10 and fixing the positioning fixture on an arm below a fixed bending arm 3, inserting a workpiece 13 to be bent into a groove between a tooling clamping fixture 11 and a bending wheel 12, clamping the end part of the workpiece into a gap 20 between a clamping block 15 and an eccentric wheel 14 on the positioning fixture 10, rotating a wrench 21 on the eccentric wheel 14, pressing the workpiece by the eccentric wheel 14, then pulling an operating handle 8, pressing the workpiece by the bending wheel 12 and bending the workpiece to a required angle along with the rotation of a movable bending arm 5.

Claims

1. The utility model provides a multi-purpose bending device which characterized in that: the bending device comprises a workbench, a fixed support, a fixed bending arm, a movable bending arm, a connecting pin, a bending wheel, a positioning clamp and a tooling clamping fixture, wherein the fixed bending arm and the movable bending arm are respectively composed of an upper arm and a lower arm which are parallel to each other; the tool clamping fixture is arranged on a connecting pin between the fixed bending arm and the movable bending arm, and the bending wheel is arranged on the movable bending arm and can rotate around the connecting pin; the positioning fixture comprises a connecting block, a fixture block and an eccentric wheel, and is arranged on an arm below the fixed bending arm through the connecting block.

2. The multipurpose bending device according to claim 1, wherein: the fixed bending arm and the movable bending arm are respectively provided with a support frame I and a support frame II, and the support frame I and the support frame II are respectively arranged between the upper arm and the lower arm of the fixed bending arm and the upper arm and the lower arm of the movable bending arm.